feat: update residence learning flows

Commit non-media application and asset changes while leaving audio, video, and environment files out of version control.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/components/layout/alert/error-alert.tsx

@@ -42,7 +42,7 @@ const ErrorAlert = ({
         {/* 标题和副标题容器 - 带深色背景条 */}
         <div className="w-full bg-black/70 px-20 py-20 flex flex-col items-center gap-4">
           {/* 副标题 */}
-          <div className="text-white text-5xl font-medium tracking-widest">{text}</div>
+          <div className="text-white text-5xl font-medium tracking-widest leading-18">{text}</div>
         </div>
 
         {/* 继续按钮 */}